IBAN validator / Czechia
Czechia IBAN format (CZ)
A Czechia IBAN is 24 characters long and begins with the country code CZfollowed by two check digits. Validate one below — the check runs in your browser (ISO 13616 mod-97).
- Country code
- CZ
- IBAN length
- 24
- Example
- CZ6508000000192000145399
Runs entirely in your browser — nothing is sent to a server. A valid IBAN format does not mean the account exists or is active.
Validate Czechia IBANs via API
curl "https://www.checkfmt.com/api/v1/iban?iban=CZ6508000000192000145399&key=YOUR_KEY"